// wdfhwaccess.h

VOID WDF_WRITE_PORT_BUFFER_ULONG(
  [in] WDFDEVICE Device,
  [in] PULONG    Port,
  [in] PULONG    Buffer,
  [in] ULONG     Count
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-wdfhwaccess-wdf_write_port_buffer_ulong)

WDF_WRITE_PORT_BUFFER_ULONG function

Description

[Applies to UMDF only]

The WDF_WRITE_PORT_BUFFER_ULONG function writes a number of ULONG values from a buffer to the specified port address.

Parameters

`Device` [in]

A handle to a framework device object.

`Port` [in]

A pointer to the port, which must be a mapped memory range in I/O space.

`Buffer` [in]

A pointer to a buffer from which an array of ULONG values is to be written.

`Count` [in]

Specifies the number of ULONG values to be written to the buffer.

View the official Windows Driver Kit DDI reference